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Diesels Still Needed For Truck Fuel Economy Despite VW Scandal: Advocate

Green Car Reports

He's executive director of the Diesel Technology Forum, a non-profit organization dedicated to raising awareness about the importance of diesel engines, fuel, and technology. pickup VW CAFE Corporate Average Fuel Economy Truck Volkswagen diesel scandalAllen Schaeffer probably doesn't have the easiest job these days.

2016 43

2016 Ram 1500 HFE EcoDiesel fuel-economy review: 24-mpg full-size pickup truck

Green Car Reports

You might view it as this decade's version of the Camaros, Mustangs, and Mopars that emerged in earlier days from back-corner "skunkworks" engineering groups at each Detroit automaker. Fuel Economy EcoDiesel Ram 1500 EcoDieselHow so, you ask? This Ram isn't.

2016 32

UPS updates 125 Workhorse E-GEN series hybrid electric step vans with smaller genset engine for better fuel economy

Green Car Congress

compact, quiet-running 650cc 2-cylinder engine replaces the previous 2.4L The smaller engine will improve fuel economy, however.

2016 44

Will Fuel Economy Rules Require Future Cars To Use Premium Gas?

Green Car Reports

Carmakers are pursuing continual fuel-economy gains to meet the Corporate Average Fuel Economy (CAFE) standard of 54.5 Their engineers work to squeeze every last bit of efficient from cars and trucks, but so far there's been little consideration of the fuel itself. Gasoline Fuel Economy octane

MPG 24

Mazda to launch homogeneous-charge compression engine next year

Green Car Reports

The differences between gasoline and diesel engines lie not only in their fuels, but in how those fuels are ignited. Gasoline engines use spark plugs, while diesels simply use compression. But it is possible to ignite gasoline in an internal-combustion engine with compression, as in a diesel. HCCI Fuel Economy

2017 33

2017 Audi A3 replaces 1.8L with Millerized 2.0L TFSI; better fuel economy, power and torque

Green Car Congress

The A3 sedan with 2.0-liter engine replaces the 1.8-liter engine previously offered on A3 front-wheel drive models. improvement). The 2.0T

2016 23

Select truck fleets boosted fuel economy 3% in 2015 compared to national Class 8 average

Green Car Congress

Seventeen trucking fleets operating more than 62,000 tractors and 217,000 trailers recorded a 3% increase in fuel economy in 2015, saving an accumulative $501 million on fuel when compared to the 2015 national average fuel spend of 1.7 Fleets Fuel Efficiency Heavy-dutymillion over-the-road class 8 trucks.

2016 29

DLR working with Yamaha on thermoelectric generators for vehicles; seeking 3-5% gain in fuel economy

Green Car Congress

The goal of the DLR scientists is to reduce fuel consumption by 3-5% percent using thermoelectric generators. Fuel Efficiency Thermoelectrics

2017 20

Nissan improves Pathfinder fuel economy by 30 per cent

Green Cars News

The vehicle boasts an improvement in fuel economy of 30 per cent thanks to a host of innovations including: an aerodynamic design; reduced engine friction; next-generation Xtronic CVT; and a 500lb weight reduction. Green cars Latest news Nissan fuel economy green cars Nissan Pathfinder

New Mercedes engines get more complicated to meet emission rules

Green Car Reports

While it plans to launch 10 new electric cars by 2025, Mercedes-Benz is far from done trying to improve the efficiency of internal-combustion engines. The German luxury automaker is giving its lineup of engines a major overhaul, in fact. emissions Daimler Fuel Economy

2016 25

Porsche diesel achieves remarkable fuel economy

Green Cars News

Think Porsche and you probably don’t think fuel economy – however, while few buyers will reach for the new Porsche Panamera Gran Turismo because of its green credentials, there is no denying its achievements. Green cars Latest news Porsche Porsche fuel economy Porsche Panamera Porsche Panamera Gran TurismoIts [.].

ICCT update finds real-world vehicle fuel economy gap continues to widen in Europe to 40%

Green Car Congress

Running air conditioning systems and entertainment systems increases fuel consumption during real-world driving. Earlier post.). Source: ICCT.

2015 34

Mazda Predicts Further 30-Percent Efficiency Gain For Next SkyActiv Engines

Green Car Reports

While other manufacturers have turned to turbocharging and hybrids to boost fuel economy, Mazda has tried to squeeze the most it can out of unassisted internal-combustion engines. The company's SkyActiv line of efficiency-focused engines rely solely on tuning and some technical tricks to maximize gas mileage.

2015 23

Ford reveals new Explorer fuel economy figures

Green Cars News

Ford has revealed the fuel economy figures for the new Ford Explorer – and it will be the most fuel efficient seven-passenger SUV on the market. The vehicle will deliver an EPA-certified 28mpg on the highway with an all-new 2.0litre EcoBoost engine.

Next Audi Q7 To Launch Electric Turbocharger For Better Fuel Economy

Green Car Reports

Electric motors can improve the fuel efficiency of a car--even if they''re not driving the wheels. Using electric power to run accessories like power steering lets engineers remove power-sapping accessory drives from engines--and soon, it will even help those engines produce more power from combustion as well.

SUV 40

Fiat Chrysler to offer 4-cylinder turbo four to boost fuel economy

Green Car Reports

You'd expect an engine named Hurricane to be fairly powerful. And Fiat Chrysler Automobiles (FCA) has dropped hints that it would launch a new 2.0-liter 4-cylinder engine since as far back as 2013. Now it appears that engine is getting closer to production—and could boast nearly 300 horsepower.

2014 Ram 1500 EcoDiesel Pickup Fuel Economy: 23 MPG Combined

Green Car Reports

How do you make a full-size pickup truck more fuel-efficient? Fitting in a smaller diesel engine seems to be working for Ram. The 2014 Ram 1500 EcoDiesel achieved an EPA fuel-economy rating of 23 mpg combined for rear-wheel drive models. MORE: 2014 Pickup Truck Gas Mileage: Ford Vs Chevy Vs Ram, Who''s Best?

2014 22

2014 Jeep Grand Cherokee EcoDiesel: Diesel SUV Fuel Economy Tested

Green Car Reports

Diesel engines are now offered in a growing number of passenger vehicles on sale this year and next, especially crossovers and sport utilities. The 2014 Jeep Grand Cherokee EcoDiesel is one of two popular models this year that offer a good test of how attractive buyers find today''s modern diesels.

2014 28

Start-stop systems to be standard on all GM vehicles by 2020

Green Car Reports

General Motors is about to commit to engine start-stop systems in a big way. Start-stop systems—which shut off the engine while a car is stationary to save fuel—are already available on numerous models from multiple manufacturers.

2016 28

Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

Green Car Congress

    Performance of the new ESTEC engine (1NR-FKE) compared to the current 1NR-FE engine applied in the Yaris. Engines Fuel Efficiency

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

Cost of the new engine relative to gasoline baseline. Fuels Lubr. 6(2):372-381 doi: 10.4271/2013-01-0535. Earlier post.). Chen, H.,

2014 32

Honda boosts motorcycle fuel economy

Green Cars News

Honda’s efforts to reduce emissions and improve fuel economy go beyond its motor vehicles – they also stretch to its motorcycles, with the company developing new 700cc and 125cc engines with an accompanying second-generation Dual Clutch Transmission.

2018 Toyota Camry Hybrid: two different battery packs, 'best-in-class' fuel economy claimed

Green Car Reports

Masato Katsumoto is Toyota's chief engineer for the global Camry sedan program—so when he speaks, it's worth listening. Following yesterday's Detroit Auto Show launch of an entirely new 2018 Toyota Camry mid-size sedan, he was one of several Toyota executives who answered media questions in a morning panel. Detroit Auto Show

2017 15

Pinnacle’s opposed-piston scooter engine can meet NOx target with lean operation and ignition delay; little fuel economy hit

Green Car Congress

For the target market (the Asian scooter market), the low NO x capability of the Pinnacle engine provides a significant cost benefit to manufacturers. First, lower temperature, meaning less heat loss, more efficient combustions, better fuel economy.and, fortuitously, lower NO x. Fuel economy impact is. Resources.

2013 23

Next-Gen Cylinder Deactivation: V-8s Using Two Cylinders, 20 Percent MPG Boost?

Green Car Reports

Cylinder deactivation has become an important tool for squeezing better fuel economy out of larger-displacement engines. It allows engines to shut off fuel supply to some of their cylinders under light loads, effectively cutting displacement when extra power is not needed.

2015 43

Downside Of Higher Gas Mileage: AAA Slams 'Disappearing' Spare Tires

Green Car Reports

As with any pursuit meant to enhance a single quality or area of performance, the drive toward greater fuel economy sometimes requires compromises in other areas. There's often give and take when it comes to increasing efficiency, whether it entails downsized engines, more complex electrified powertrains, or higher sticker prices.

Start-stop systems to soar in number over next decade

Green Car Reports

Plug-in electric cars are slowly becoming more common, but internal-combustion engines will remain a significant presence on the world's roads for decades to come yet. That means automakers will continue trying to squeeze ever-greater efficiency out of these engines, making them more complex in the process.

2016 30

Ford Engine Power, MPG Figures Tested Using Different Fuels

Green Car Reports

Most buyers likely assume that the conditions for rating a new car's fuel economy and engine performance are identical. For at least one carmaker--Ford--and possibly others as well, that turns out not to be the case: Different gasoline formulations are used to test gas mileage than are used for engine.

2015 23

Fuel economy tips from an unlikely source

Green Cars News

Here, for the record, are its tips: - Pack light: Remove unnecessary baggage from a vehicle as for every 100lbs that a car carries, its fuel economy is cut by one-two per cent. loaded roof rack should also be avoided, as this can decrease fuel economy by five per cent. So stick to the speed limit.

Volvo Adds New Diesel Tech, 8-Speed Auto To Improve Fuel Economy

Green Car Reports

The company''s new diesel engine family, launched this fall in Europe, features what Volvo calls ''i-ART'' technology to help cut fuel consumption and emissions. i-ART provides pressure feedback

2013 38

Ford’s math on hybrid fuel economy; standing by the C-MAX EPA ratings, acknowledging large real-world variance

Green Car Congress

Raj Nair outlining factors affecting real-world fuel economy in hybrids. Fuel Efficiency HybridsClick to enlarge. Earlier post.).

2015 BMW 740Ld xDrive Diesel: Fuel Economy Review

Green Car Reports

For long road trips, there are few better ways to travel than in a large German luxury sedan with a diesel engine. We learned that lesson three years ago, when we tested a Mercedes-Benz S-Class diesel, and now we've had a chance to drive its BMW counterpart as well.

2015 16

CMU study shows autonomous vehicle algorithms can have considerable effect on fuel economy; need for new approaches in testing

Green Car Congress

Autonomous vehicle driving behavior can have a considerable effect on fuel economy. However, the study also showed that autonomous vehicle (AV) technology following algorithms designed without considering efficiency can degrade fuel economy by up to 3%. Autonomous driving Fuel Efficiency RegulationsResources.

EPA 18

Audi reveals fuel economy of new diesel line-up

Green Cars News

Now the company has offered details of the fuel economy of each model. The diesel models, s[.]. Latest News Green cars Audi

2016 Mazda MX-5 Miata fuel economy improves 25% versus outgoing model

Green Car Congress

This performance represents a 25% increase in fuel economy versus the 2015 MX-5's EPA-estimated fuel economy when paired with the outgoing model’s available six-speed manual transmission, highlighting the benefits of Mazda’s SKYACTIV Technology. l/100 km) when equipped with the six-speed automatic. Brief

MPG 18

Smaller car worst for true fuel economy performance

Green Cars News

Independent researchers at Emissions Analytics tested 500 models, an even split of diesel and petro[.]. Green credentials Editor Pick

Ford Applies Cylinder Deactivation Even To 3-Cylinder Engines For Fuel Efficiency

Green Car Reports

Cylinder deactivation can help boost the fuel economy of a car or truck by shutting down some of its engine's cylinders under light loads. But what happens when engineers try to add that feature to an engine that doesn't have that many cylinders to start with?

2015 23

ORNL study finds multi-mode RCCI can offer 15%+ fuel economy improvements across multiple light-duty driving cycles

Green Car Congress

Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Dual-fuel RCCI injection strategy. Credit: Curran et al.

2015 20

New Chrysler transmission to boost fuel economy

Green Cars News

Chrysler is to introduce an eight-speed automatic transmission that will help boost fuel economy for both the Chrysler 300 and the Dodge Charger in 2012. Chrysler Green cars Latest news Chrysler 300 Chrysler transmission Dodge Charger eight speed transmission

FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

Green Car Congress

An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% configuration of the engine.